The game takes place in a very complex world, featuring 13,000 screens of map according to the promotional material. There is no loading during the game, which was an impressive technical accomplishment for such a massive environment. The
Commodore 64 version features high-res overlays for the sprites, a technique that displays two sprites on top of each other. One is a low resolution multi-colour sprite and the other is a high resolution monochrome sprite. Animated water is also used and the game world slowly changes colour between night and day. It is possible to end up in unwinnable situations that require restarting the game, such as killing important characters who would otherwise have given certain quests or objects. Killing random peasants is not as dangerous, as staying the night at the inn will make them forget your crimes. There are many objects that can be found in the game, including a teleportation scroll, healing potions and a returning axe based on
Mjolnir. There is the hidden city of Treela, in the middle of the map, behind a forest. Serfs will speak of a dragon in the north, which can be found sleeping in his cave on the eastern edge of the northern mountains. Catacombs also exists, but if entered, the ghouls inside are unleashed upon the world, making the game much more difficult. In the Apple II version, the dragon is replaced with a giant lurking in the northwest portion of the map. ==Development==